A new report contains interviews with 14 key figures in the development of British Columbia's carbon tax. They share what they've learned.
Clean energy advocates often rage against the behavior of power utilities. It's time to look beyond them to the regulators who shape their decisions.
The president has been pretty good about reducing demand for dirty energy, and pretty bad about increasing its supply. Why?
In the geoengineering debate, "just research" is the default position of Serious People. But it's more problematic than they acknowledge.
States are charged with implementing Obama's carbon rule for power plants. Which ones will cooperate and which ones won't?
The EPA's plan to reduce CO2 from existing power plants relies on an ambitious new interpretation of the Clean Air Act. Will it stand up in court?
What distinguishes expensive renewable energy projects from cheaper ones is not technology, but "soft costs" like financing and permitting.
The latest numbers on electricity costs show that various forms of renewable energy are already competitive with fossil fuels, with costs expected to continue falling.
Aggressive climate mitigation is absolutely worth the costs, but economic models are not a good guide to how difficult it might be.